The 411 on Electronic Cigarettes

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Are They Really Healthier?

Smoking e-cigs do not guarantee lower nicotine consumption. Users can choose cartridges containing nicotine in a range of strengths. The effects of inhaling pure nicotine has yet to be adequately studied, and the Food and Drug Administration is concerned that e-cigs may still be a health hazard. (Photo: dpa/Landov)